<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <div>
        <!--登录表单区域-->
        <el-form ref="loginFormRef" class="login_form" :model="loginForm" :rules="loginFormRules">
          <!--用户名-->
          <el-form-item prop="username">
            <el-input prefix-icon="el-icon-user" v-model="loginForm.username"></el-input>
          </el-form-item>
          <!--密码-->
          <el-form-item prop="password">
            <el-input prefix-icon="el-icon-unlock" v-model="loginForm.password" type="password"></el-input>
          </el-form-item>
          <!--按钮区域-->
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>


</template>

<script>
export default {
  name: "Login",
  data() {
    return {
      //这是登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: 'admin',
      },
      //表单验证规则对象
      loginFormRules: {
        //验证用户名是否合法
        username: [
          {required: true, message: "请输入登录名称", trigger: "blur"},
          {min: 3, max: 10, message: "长度在3到10个字符", trigger: "blur"}
        ],
        //验证密码是否合法
        password: [
          {required: true, message: "请输入密码", trigger: "blur"},
          {min: 5, max: 15, message: "长度在5到15个字符", trigger: "blur"}
        ]
      },
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async validate => {
        if (!validate) return;
        const {data : res} = await this.$http.post("/login", {
          username: this.loginForm.username,
          password: this.loginForm.password
        })
        console.log(res);
        if (res.status == "200") {
          this.$message.success(res.msg);
          window.sessionStorage.setItem("token", res.data.token);
          await this.$router.push('/home');
          console.log(res);
        } else {
          this.$message.error(res.msg);
          console.log(res);
        }

      })
    }
  }
}

</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: aliceblue;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>